1 // SPDX-License-Identifier: GPL-2.0-only
2 // Copyright(c) 2015-18 Intel Corporation.
3
4 /*
5 * Machine Driver for SKL+ platforms with DSP and iDisp, HDA Codecs
6 */
7
8 #include <linux/module.h>
9 #include <linux/platform_device.h>
10 #include <sound/core.h>
11 #include <sound/hda_codec.h>
12 #include <sound/jack.h>
13 #include <sound/pcm.h>
14 #include <sound/pcm_params.h>
15 #include <sound/soc.h>
16 #include <sound/soc-acpi.h>
17 #include "../../codecs/hdac_hda.h"
18 #include "../../sof/intel/hda.h"
19 #include "sof_board_helpers.h"
20
skl_hda_card_late_probe(struct snd_soc_card * card)21 static int skl_hda_card_late_probe(struct snd_soc_card *card)
22 {
23 return sof_intel_board_card_late_probe(card);
24 }
25
26 #define HDA_CODEC_AUTOSUSPEND_DELAY_MS 1000
27
skl_set_hda_codec_autosuspend_delay(struct snd_soc_card * card)28 static void skl_set_hda_codec_autosuspend_delay(struct snd_soc_card *card)
29 {
30 struct snd_soc_pcm_runtime *rtd;
31 struct hdac_hda_priv *hda_pvt;
32 struct snd_soc_dai *dai;
33
34 for_each_card_rtds(card, rtd) {
35 if (!strstr(rtd->dai_link->codecs->name, "ehdaudio0D0"))
36 continue;
37 dai = snd_soc_rtd_to_codec(rtd, 0);
38 hda_pvt = snd_soc_component_get_drvdata(dai->component);
39 if (hda_pvt) {
40 /*
41 * all codecs are on the same bus, so it's sufficient
42 * to look up only the first one
43 */
44 snd_hda_set_power_save(hda_pvt->codec->bus,
45 HDA_CODEC_AUTOSUSPEND_DELAY_MS);
46 break;
47 }
48 }
49 }
50
51 #define IDISP_HDMI_BE_ID 1
52 #define HDA_BE_ID 4
53 #define DMIC01_BE_ID 6
54 #define DMIC16K_BE_ID 7
55 #define BT_OFFLOAD_BE_ID 8
56
57 #define HDA_LINK_ORDER SOF_LINK_ORDER(SOF_LINK_IDISP_HDMI, \
58 SOF_LINK_HDA, \
59 SOF_LINK_DMIC01, \
60 SOF_LINK_DMIC16K, \
61 SOF_LINK_BT_OFFLOAD, \
62 SOF_LINK_NONE, \
63 SOF_LINK_NONE)
64
65 #define HDA_LINK_IDS SOF_LINK_ORDER(IDISP_HDMI_BE_ID, \
66 HDA_BE_ID, \
67 DMIC01_BE_ID, \
68 DMIC16K_BE_ID, \
69 BT_OFFLOAD_BE_ID, \
70 0, \
71 0)
72
73 static unsigned long
skl_hda_get_board_quirk(struct snd_soc_acpi_mach_params * mach_params)74 skl_hda_get_board_quirk(struct snd_soc_acpi_mach_params *mach_params)
75 {
76 unsigned long board_quirk = 0;
77 int ssp_bt;
78
79 if (hweight_long(mach_params->bt_link_mask) == 1) {
80 ssp_bt = fls(mach_params->bt_link_mask) - 1;
81 board_quirk |= SOF_SSP_PORT_BT_OFFLOAD(ssp_bt) |
82 SOF_BT_OFFLOAD_PRESENT;
83 }
84
85 return board_quirk;
86 }
87
skl_hda_audio_probe(struct platform_device * pdev)88 static int skl_hda_audio_probe(struct platform_device *pdev)
89 {
90 struct snd_soc_acpi_mach *mach = pdev->dev.platform_data;
91 struct sof_card_private *ctx;
92 struct snd_soc_card *card;
93 unsigned long board_quirk = skl_hda_get_board_quirk(&mach->mach_params);
94 int ret;
95
96 card = devm_kzalloc(&pdev->dev, sizeof(struct snd_soc_card), GFP_KERNEL);
97 if (!card)
98 return -ENOMEM;
99
100 card->name = "hda-dsp";
101 card->owner = THIS_MODULE;
102 card->fully_routed = true;
103 card->late_probe = skl_hda_card_late_probe;
104
105 dev_dbg(&pdev->dev, "board_quirk = %lx\n", board_quirk);
106
107 /* initialize ctx with board quirk */
108 ctx = sof_intel_board_get_ctx(&pdev->dev, board_quirk);
109 if (!ctx)
110 return -ENOMEM;
111
112 if (HDA_EXT_CODEC(mach->mach_params.codec_mask))
113 ctx->hda_codec_present = true;
114
115 if (mach->mach_params.codec_mask & IDISP_CODEC_MASK)
116 ctx->hdmi.idisp_codec = true;
117
118 ctx->link_order_overwrite = HDA_LINK_ORDER;
119 ctx->link_id_overwrite = HDA_LINK_IDS;
120
121 /* update dai_link */
122 ret = sof_intel_board_set_dai_link(&pdev->dev, card, ctx);
123 if (ret)
124 return ret;
125
126 card->dev = &pdev->dev;
127 if (!snd_soc_acpi_sof_parent(&pdev->dev))
128 card->disable_route_checks = true;
129
130 if (mach->mach_params.dmic_num > 0) {
131 card->components = devm_kasprintf(card->dev, GFP_KERNEL,
132 "cfg-dmics:%d",
133 mach->mach_params.dmic_num);
134 if (!card->components)
135 return -ENOMEM;
136 }
137
138 ret = snd_soc_fixup_dai_links_platform_name(card,
139 mach->mach_params.platform);
140 if (ret)
141 return ret;
142
143 snd_soc_card_set_drvdata(card, ctx);
144
145 ret = devm_snd_soc_register_card(&pdev->dev, card);
146 if (!ret)
147 skl_set_hda_codec_autosuspend_delay(card);
148
149 return ret;
150 }
151
152 static struct platform_driver skl_hda_audio = {
153 .probe = skl_hda_audio_probe,
154 .driver = {
155 .name = "skl_hda_dsp_generic",
156 .pm = &snd_soc_pm_ops,
157 },
158 };
159
160 module_platform_driver(skl_hda_audio)
161
162 /* Module information */
163 MODULE_DESCRIPTION("SKL/KBL/BXT/APL HDA Generic Machine driver");
164 MODULE_AUTHOR("Rakesh Ughreja <rakesh.a.ughreja@intel.com>");
165 MODULE_LICENSE("GPL v2");
166 MODULE_ALIAS("platform:skl_hda_dsp_generic");
167 MODULE_IMPORT_NS(SND_SOC_INTEL_SOF_BOARD_HELPERS);
168